Google outs Chromecast Ultra with 4K streaming, HDR video and Ethernet port

Just as rumored, Google took to the stage today and announced its most expensive Chromecast dongle so far, the Ultra, which will bring 4K. HDR and Dolby Vision support to your dumb TV for $69. It is still round and tiny, has an Ethernet port, and Google claims that it's 1.8x faster than before.